Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: ACM Research Inc., 3 years.
ACM Research Inc.
Director
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 19, 2026 | ACM Research Inc. | Option exercise | +5,000 | $5.60 | $28,000 |
| May 19, 2026 | ACM Research Inc. | Open-market sale | −1,333 | $63.84 | $85,099 |
| May 19, 2026 | ACM Research Inc. | Open-market sale | −500 | $65.09 | $32,545 |
| May 19, 2026 | ACM Research Inc. | Open-market sale | −1,309 | $67.21 | $87,978 |
| May 19, 2026 | ACM Research Inc. | Open-market sale | −1,858 | $67.54 | $125,489 |
| Mar 9, 2026 | ACM Research Inc. | Option exercise | +5,000 | $5.60 | $28,000 |
| Mar 9, 2026 | ACM Research Inc. | Open-market sale | −4,100 | $43.37 | $177,817 |
| Mar 9, 2026 | ACM Research Inc. | Open-market sale | −900 | $43.94 | $39,546 |
| Nov 12, 2025 | ACM Research Inc. | Gift | −755,090 | — | — |
| Mar 14, 2025 | ACM Research Inc. | Open-market sale | −2,456 | $28.32 | $69,554 |
| Mar 14, 2025 | ACM Research Inc. | Open-market sale | −7,062 | $29.23 | $206,422 |
| Mar 10, 2025 | ACM Research Inc. | Open-market sale | −15,001 | $26.54 | $398,127 |
| Mar 3, 2025 | ACM Research Inc. | Option exercise | +25,001 | $0.50 | $12,501 |
| Mar 3, 2025 | ACM Research Inc. | Shares withheld for tax | −482 | $25.94 | $12,503 |
| Nov 29, 2024 | ACM Research Inc. | Open-market sale | −19,058 | $17.43 | $332,181 |
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